CVE-2022-39379 (GCVE-0-2022-39379)

Vulnerability from cvelistv5 – Published: 2022-11-02 00:00 – Updated: 2025-04-23 16:41
VLAI?
Title
Fluentd vulnerable to remote code execution due to insecure deserialization (in non-default configuration)
Summary
Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. A remote code execution (RCE) vulnerability in non-default configurations of Fluentd allows unauthenticated attackers to execute arbitrary code via specially crafted JSON payloads. Fluentd setups are only affected if the environment variable `FLUENT_OJ_OPTION_MODE` is explicitly set to `object`. Please note: The option FLUENT_OJ_OPTION_MODE was introduced in Fluentd version 1.13.2. Earlier versions of Fluentd are not affected by this vulnerability. This issue was patched in version 1.15.3. As a workaround do not use `FLUENT_OJ_OPTION_MODE=object`.
Severity ?
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version
fluent fluentd Affected: >= 1.13.2, < 1.15.3
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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